Question: Who did Anna Nicole Smith marry in January 1, 2006?
Paraphrase: Who was Anna Nicole Smith's husband after the marriage on 1/1/2006?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q180710 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'2006')) }